OpenTechnical

OT-2026-000013525

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000013525) never changes.

Identity and time

Publication numberOT-2026-000013525 · never reused
Internal UUID01a0ae6d-6fcb-760b-b165-c5d3d1343227 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013525
StatusPUBLIC

Content hashes

Canonical textabc06807a0053e602f2f3bbb68a8d77be4b75c159e3c3c88ca8ca6380704f53c
Markdown20299dd183318f7a4efe3c8367f57f8572b34bd7a485ab0844a1777986b6d5e4
PDF
Publication pagea0802b9459aa746da645c70f8c9db6106f997042ecd38d0eb587e81abc2a60be
Manifest066d903228c66866657992cef7a291b3832b65bf06bcc24f580ec178ce15f75d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature+BIYP8SUr/vHWiMfvH5YJ9xFgaiOHHNJEM5f5RzWsyG+vKBok3Fs5mN/3Yh1kn0Sr2l48wzKmiARe0tAEzPXCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:02.440792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013525
observed a0802b9459aa746da645c70f8c9db610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.420385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013525/manifest.json
observed 066d903228c66866657992cef7a291b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.401578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013525/publication.md
observed 20299dd183318f7a4efe3c8367f57f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.380704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013525/publication.txt
observed abc06807a0053e602f2f3bbb68a8d77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.